SEC Form 4
Timberland Bancorp Inc (TSBK) insider trading
In the 12 months to Oct 26, 2026, 10 TSBK insiders reported open-market sales of $1.2M across 14 filings; no open-market purchases were filed.
Latest filing · Last 12 months · Source: SEC EDGAR · How we count
- Open-market sales
- $1.2M
- 14 filings · 10 insiders
- Open-market purchases
- $0
- 0 filings
Who traded TSBK, and when
- Sale
TSBK daily close from Oct 27, 2025 to Oct 26, 2026, between $31.25 and $47.00, last $46.94. 14 sale and 0 purchase filings by 10 insiders, marked at their filing dates. Matthew J. DeBord, Chief Lending Officer, EVP: sold $345.3K across 2 filings, first filed Dec 17, 2025, last Feb 2, 2026. Marci A. Basich, Chief Financial Officer/EVP: sold $205.5K across 2 filings, first filed Feb 4, 2026, last Feb 6, 2026. Dean J. Brydon, CEO: sold $135.7K across 1 filing, first filed Aug 4, 2026, last Aug 4, 2026. Matthew Douglas Seath, Chief Risk Officer/EVP: sold $134.3K across 1 filing, first filed Aug 3, 2026, last Aug 3, 2026. Robert A. Drugge, Director: sold $91.7K across 1 filing, first filed Aug 18, 2026, last Aug 18, 2026. Jonathan Arthur Fischer, President/COO: sold $79.0K across 1 filing, first filed Feb 6, 2026, last Feb 6, 2026. 4 others: sold $189.2K across 6 filings, first filed Dec 11, 2025, last Aug 18, 2026.
Largest mark · tap a row for others
Marci A. Basich · Chief Financial Officer/EVP
Filing 1 of 2 within a week · $205,487 total
Sale $186,645
4,723 shares at $39.52 avg
Filed Feb 4, 2026 · traded Feb 2
Close on filing date $39.12
Matthew J. DeBord · Chief Lending Officer, EVP
Chief Lending Officer, EVP
$345.3K soldMarci A. Basich · Chief Financial Officer/EVP
Chief Financial Officer/EVP
$205.5K soldDean J. Brydon · CEO
CEO
$135.7K soldMatthew Douglas Seath · Chief Risk Officer/EVP
Chief Risk Officer/EVP
$134.3K soldRobert A. Drugge · Director
Director
$91.7K soldJonathan Arthur Fischer · President/COO
President/COO
$79.0K sold4 others
Combined, one mark per week
$189.2K soldOpen-market trades
14 filings in the last 12 months| Insider | Role | Sold | Bought | Filings | Pre-arranged (10b5-1) | Last filed |
|---|---|---|---|---|---|---|
| Matthew J. DeBord | Chief Lending Officer, EVP | $345.3K | — | 2 | — | |
| Marci A. Basich | Chief Financial Officer/EVP | $205.5K | — | 2 | — | |
| Dean J. Brydon | CEO | $135.7K | — | 1 | — | |
| Matthew Douglas Seath | Chief Risk Officer/EVP | $134.3K | — | 1 | — | |
| Robert A. Drugge | Director | $91.7K | — | 1 | — | |
| Jonathan Arthur Fischer | President/COO | $79.0K | — | 1 | — | |
| Andrea M. Clinton | Director | $62.7K | — | 1 | — | |
| Breanne D. Antich | Chief Technology Officer/EVP | $45.7K | — | 3 | — | |
| David Alan Smith | Director | $43.9K | — | 1 | — | |
| Michael John Stoney | Director | $37.0K | — | 1 | — |
| Filed | Insider | Type | Shares | Avg price | Value | Held after | Source |
|---|---|---|---|---|---|---|---|
traded | Robert A. Drugge Director | Sale | 2,000 | $45.87 | $91.7K | 38,245 | |
traded | Breanne D. Antich Chief Technology Officer/EVP | Sale | 30 | $46.41 | $1.4K | 3,890 | |
traded | Dean J. Brydon CEO | Sale | 3,000 | $45.24 | $135.7K | 35,921 | |
traded | Matthew Douglas Seath Chief Risk Officer/EVP | Sale | 3,000 | $44.75 | $134.3K | 3,155 | |
traded | Breanne D. Antich Chief Technology Officer/EVP | Sale | 269 | $45.44 | $12.2K | 3,920 | |
traded | David Alan Smith Director | Sale | 1,000 | $43.90 | $43.9K | 18,468 | |
traded | Breanne D. Antich Chief Technology Officer/EVP | Sale | 800 | $40.05 | $32.0K | 4,189 | |
traded | Jonathan Arthur Fischer President/COO | Sale | 2,000 | $39.50 | $79.0K | 6,550 | |
traded | Marci A. Basich Chief Financial Officer/EVP | Sale | 477 | $39.50 | $18.8K | 4,800 | |
traded | Marci A. Basich Chief Financial Officer/EVP | Sale | 4,723 | $39.52 | $186.6K | 4,800 | |
traded | Andrea M. Clinton Director | Sale | 1,600 | $39.19 | $62.7K | 8,910 | |
traded | Matthew J. DeBord Chief Lending Officer, EVP | Sale | 3,805 | $39.53 | $150.4K | 5,700 | |
traded | Matthew J. DeBord Chief Lending Officer, EVP | Sale | 5,195 | $37.51 | $194.9K | 5,700 | |
traded | Michael John Stoney Director | Sale | 1,000 | $36.99 | $37.0K | 9,040 |
GET /stocks/filings/vX/form-4?tickers=TSBK&filing_date.gte=2025-10-26&sort=filing_date.desc&limit=500{
"status": "OK",
"results": [
{
"tickers": [
"TSBK"
],
"issuer_cik": "0001046050",
"owner_cik": "0001972440",
"accession_number": "0000939057-26-000198",
"form_type": "4",
"filing_date": "2026-08-18",
"period_of_report": "2026-08-18",
"issuer_name": "TIMBERLAND BANCORP INC",
"issuer_trading_symbol": "TSBK",
"owner_name": "Antich Breanne D",
"is_director": false,
"is_officer": true,
"is_ten_percent_owner": false,
"is_other": false,
"officer_title": "Chief Technology Officer/EVP",
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock, $.01 par value per share",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-18",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 30,
"transaction_price_per_share": 46.4142,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 3890,
"transaction_value": 1392.426,
"not_subject_to_section_16": false,
"direct_or_indirect": "D",
"footnotes": [
{
"id": "F1",
"description": "Restricted Stock Award was granted on 9/24/2024. These shares will vest equally over 5 years."
}
]
},
{
"tickers": [
"TSBK"
],
"issuer_cik": "0001046050",
"owner_cik": "0001359311",
"accession_number": "0000939057-26-000197",
"form_type": "4",
"filing_date": "2026-08-18",
"period_of_report": "2026-08-18",
"issuer_name": "TIMBERLAND BANCORP INC",
"issuer_trading_symbol": "TSBK",
"owner_name": "DRUGGE ROBERT A",
"is_director": true,
"is_officer": false,
"is_ten_percent_owner": false,
"is_other": false,
"security_type": "non_derivative",
"record_type": "transaction",
"security_title": "Common Stock, $.01 par value",
"transaction_timeliness": "O",
"aff_10b5_one": false,
"transaction_date": "2026-08-18",
"transaction_code": "S",
"equity_swap_involved": false,
"transaction_shares": 2000,
"transaction_price_per_share": 45.87,
"transaction_acquired_disposed": "D",
"shares_owned_following_transaction": 38245,
"transaction_value": 91740,
"not_subject_to_section_16": false,
"direct_or_indirect": "D"
}
]
}
// trimmed to 2 resultsThe response includes every Form 4 record; this page keeps open-market purchases and sales on common stock and removes duplicate joint-filer rows.
Other insider activity (not market trades) · 64 records
- Option exercises27 records
- Tax withholding23 records
- Grants and awards14 records
Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.
How to read this page
- Open-market purchase or sale
- A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
- Filing date
- Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.
Frequently asked questions
Has Timberland Bancorp Inc's CEO sold stock?
Yes. Dean J. Brydon (CEO) sold 3,000 shares ($135.7K) in Aug 2026.
How current is TSBK’s insider data?
These are TSBK Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.
What counts as an open-market buy or sell?
Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.
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